MongoDB Server up to 7.0.28/8.0.17/8.2.3 Proxy Protocol allocation of resources

Summaryinfo

A vulnerability was found in MongoDB Server up to 7.0.28/8.0.17/8.2.3 and classified as problematic. This affects an unknown part of the component Proxy Protocol Handler. Such manipulation leads to allocation of resources. This vulnerability is traded as CVE-2026-1848. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MongoDB Server up to 7.0.28/8.0.17/8.2.3. Affected by this issue is an unknown code of the component Proxy Protocol Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. CVE summarizes:

Connections received from the proxy port may not count towards total accepted connections, resulting in server crashes if the total number of connections exceeds available resources. This only applies to connections accepted from the proxy port, pending the proxy protocol header.

The advisory is available at jira.mongodb.org. This vulnerability is handled as CVE-2026-1848 since 02/03/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 298760 (Linux Distros Unpatched Vulnerability : CVE-2026-1848), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.0.29, 8.0.18 or 8.2.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (298760) and CERT Bund (WID-SEC-2026-0386). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Open Source MongoDB

Productinfo

Type

• Database Software

Vendor

• MongoDB

Name

• Server

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9
• 7.0.10
• 7.0.11
• 7.0.12
• 7.0.13
• 7.0.14
• 7.0.15
• 7.0.16
• 7.0.17
• 7.0.18
• 7.0.19
• 7.0.20
• 7.0.21
• 7.0.22
• 7.0.23
• 7.0.24
• 7.0.25
• 7.0.26
• 7.0.27
• 7.0.28
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.0.7
• 8.0.8
• 8.0.9
• 8.0.10
• 8.0.11
• 8.0.12
• 8.0.13
• 8.0.14
• 8.0.15
• 8.0.16
• 8.0.17
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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